| - | 12c | ultra | d1882 | |||
| - | 12c | grnbl | d1882, p. 14 |
| X | 12c | grnbl | letter & posthorn |
| X | 12c | bl | Alberdi |
| X | 12c | dpbl | Belgrano |
| - | 12c | dpbl | Belgrano |
| - | 12c | dlbl | Liberty seated | |||
| - | 12c | olgrn | Liberty seated (1901) |
| - | 12c | yelbuff | San Martin, p. 13.5 | |||
| - | 12c | dkbl | San Martin (1909) |
| - | 12c | bl | Congress of the Nation |
| - | 12c | dpbl | farmer watching sun rise across field |
| X | 12c | dpbl | farmer watching sun rise across field |
| X | 12c | bl | San Martin 1816-1916 |
| - | 12c | bl | San Martin |
| - | 12c | bl | San Martin |
| - | 12c | bl | San Martin |
| - | 12c | bl |
| - | 12c | grn & bl |
| - | 12c | rose | allegory of Pan-America |
| - | 12c | bl |
| - | 12c | dpbl | San Martin |
| X | 12c | dpbl | San Martin |
| X | 12c | dpbl |
| - | 12c | dpbl |
| - | 12c | dlbl | America offering laurels |
| - | 12c | dlbl | march |
| - | 12c | graybl | refrigeration |
| - | 12c | brn | Bartolomé Mitre | |||
| - | 12c | red | Bartolomé Mitre (1939) | — | — |
| - | 12c | — | — |
| - | 12c | numeral |
| - | 12c | ultra |
| - | 12c | ultra | ||||
| - | 12c | ultra | Perf: 12 | |||
| - | 12c | bl |
| - | 12c | — | — |
| - | 12c | — | — |
| - | 12c | — | — |
| - | 12c | — | — |
| - | 12c | — | — |
| - | 12c | — | — |
| - | 12c | — | — |
| - | 12c | — | — |